2 metres long string有这样说的吗?

2 metres long string有这样说的吗? 120-metres long 120-metres-long 120-metre long 120 metres long 哪个对? The swimming pool is about( )and there is also an( )playground.A.fifty metres long;eighty-metre-long B.fifty metres long;eighty metres long C.fifty-metres-long;eighty-metre-long D.fifty metres long;eighty-metres long This river is 5000 metres long. metres提问 three metres long的同义句 the swimming pool is fifty metres long.对fifty metres 划线提问划线部分是fifty metres long时呢？ three metres long 是否能写成 three-metre long? 10-metre-long和10 metres long有什么不同 the wall is ___.it is a____wallA.five meter long;five metres long B.five metres-long;five-metre long C.five metres long;five-metre-long D.five-metre long;five-metres-long 英文长度表达式 是 5000 metres long 还是 5000-metres long还是等等 .The river is very long and it is about ____.A.50 metres tallB.20 metres wideC.30 metres highD.15 metres long The boy is 1.5 metres tall.(对1.5 metres tall提问）还有一题（快!）Ren Ming Road is about 2 kilometres long.(对about 2 kilometres long提问） The river is two metres long 是否等于The river is two metres in length?Why? The running track is 100 metres long.(100 metres 划线) 划线部分提问 It's three metres long by two metres wide..这里By是什么意思. it's about three hundreds metres long on the left Ten Three Gorges Dam in Hubei is 2200 metres long. The street is 500 meters long and 6 metres